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Genprex Receives a Notice of Allowance from The Canadian Intellectual Property Office for a Patent Claiming the Combination of Reqorsa® Gene Therapy with Either PD-1 or PD-L1 Antibodies to Treat Cancer

(Positive)
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Genprex (NASDAQ:GNPX) received a Notice of Allowance from the Canadian Intellectual Property Office for a patent covering Reqorsa gene therapy combined with PD-1 or PD-L1 antibodies to treat NSCLC and SCLC. The patent covers combinations used in the Acclaim-3 trial with Tecentriq and expands Genprex's global IP portfolio.

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Positive

  • Canadian Notice of Allowance for REQORSA with PD-1/PD-L1 in NSCLC and SCLC
  • Patent coverage includes combinations evaluated in the Acclaim-3 clinical trial with Tecentriq
  • REQORSA combo patents already granted in at least 11 other global markets

Negative

  • None.

News Market Reaction – GNPX

-7.08%
13 alerts
-7.08% Session close to close
+10.5% Peak Tracked
-6.6% Trough Tracked
$6.27M Market Cap
0.7x Rel. Volume

In the Jun 22 session, GNPX declined 7.08%, reflecting a notable negative market reaction. Argus tracked a peak move of +10.5% during that session. Argus tracked a trough of -6.6% from its starting point during tracking. Our momentum scanner triggered 13 alerts that day, indicating notable trading interest and price volatility.

Data tracked by StockTitan Argus on the day of publication.

Market Context

The stock moved -7.1% in the session following this news. A negative reaction despite positive news ...
Analysis

The stock moved -7.1% in the session following this news. A negative reaction despite positive news fits past instances where favorable clinical or preclinical updates led to weakness, and may also reflect overhang from substantial shelf capacity and recent governance steps enabling reverse stock splits.

Key Figures

New lung and bronchus cancer cases: 32,900 people Share of new cancer cases: 13% Lung and bronchus cancer deaths: 19,300 people +1 more
4 metrics
New lung and bronchus cancer cases 32,900 people Estimated diagnoses in Canada in 2026
Share of new cancer cases 13% Portion of all new Canadian cancer cases in 2026
Lung and bronchus cancer deaths 19,300 people Estimated deaths in Canada in 2026
Share of cancer deaths 22% Portion of all Canadian cancer deaths in 2026

Historical Context

5 past events · Latest: Jun 17 (Neutral)
Pattern 5 events
Date Event Sentiment 24h Move Catalyst
Jun 17 Conference participation Neutral +10.9% Participation at BIO 2026 convention with one-on-one investor and partner meetings.
May 26 Clinical data update Positive -6.0% Positive biomarker data for Reqorsa presented at 2026 ASCO in lung cancer patients.
May 14 Preclinical data Positive +1.2% Positive preclinical results for GPX-002 diabetes gene therapy in Type 2 mouse models.
Apr 30 Patent grant Positive +12.1% Israel patent granted for Reqorsa in combination with PD-1 antibodies to treat cancer.
Apr 28 Preclinical preview Positive -0.5% Announcement of upcoming ASGCT 2026 poster on GPX-002 reversing hyperglycemia in mice.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Pattern Detected

Recent GNPX news often sees positive price responses, but there are notable instances of negative moves on positive clinical updates.

Key Terms

notice of allowance, pd-1, pd-l1, non-small cell lung cancer, +1 more
5 terms
notice of allowance regulatory
"has issued a Notice of Allowance to Genprex for a patent covering"
A notice of allowance is an official confirmation from a patent office that a patent application has met all necessary requirements and is approved for granting. It signals that the invention is likely to receive legal protection soon, which can be important for investors considering the value and exclusivity of a new product or technology. Think of it as a green light indicating that the invention is on track to become legally protected.
pd-1 medical
"in combination with either PD-1 or PD-L1 antibodies for the treatment"
PD-1 is a protein found on certain immune cells that acts like a brake, signaling the immune system to slow down and avoid damaging healthy tissue. Drugs that block PD-1 release that brake so immune cells can better attack cancer cells; because such therapies can produce large clinical benefits, regulatory approvals, trial outcomes, pricing and market uptake for PD-1 drugs can materially affect a drugmaker’s prospects and investor returns.
pd-l1 medical
"in combination with either PD-1 or PD-L1 antibodies for the treatment"
PD-L1 is a protein found on the surface of some cells that acts like a stop sign for the immune system, telling certain immune cells to back off. It matters to investors because many cancer drugs and diagnostic tests target or measure PD-L1 to unlock immune responses or predict which patients will benefit, affecting clinical success, regulatory approval, and potential sales in the oncology market.
non-small cell lung cancer medical
"for the treatment of both non-small cell lung cancer (NSCLC) and small"
A broad category of lung tumors that grow from the cells lining the airways and make up the majority of lung cancer cases; it includes several subtypes that behave and respond to treatment differently, like different models of the same car family. It matters to investors because its large patient population and variety of treatment options — surgery, traditional chemo, targeted drugs and immunotherapies — create major markets where clinical trial results, drug approvals or changing treatment guidelines can quickly affect a company’s revenue and stock value.
small cell lung cancer medical
"cell lung cancer (NSCLC) and small cell lung cancer (SCLC)."
A fast-growing form of lung cancer that tends to spread early to other organs, making it harder to treat than many slower-moving tumors. Investors care because its aggressive nature creates urgent demand for effective drugs, diagnostics and treatments; clinical trial results, regulatory decisions, or new therapies for this disease can quickly reshape a company’s revenue prospects much like a breakthrough product can transform a business in any industry.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Patent Covers Acclaim-3 Clinical Trials Combining REQORSA Gene Therapy with Genentech, Inc.'s Tecentriq®

AUSTIN, Texas, June 22, 2026 /PRNewswire/ -- Genprex, Inc. ("Genprex" or the "Company") (NASDAQ: GNPX), a clinical-stage gene therapy company focused on developing life-changing therapies for patients with cancer and diabetes, today announced that The Canadian Intellectual Property Office (CIPO) has issued a Notice of Allowance to Genprex for a patent covering the use of Reqorsa® Gene Therapy (quaratusugene ozeplasmid) in combination with either PD-1 or PD-L1 antibodies for the treatment of both non-small cell lung cancer (NSCLC) and small cell lung cancer (SCLC).

Genprex, Inc. is a clinical-stage gene therapy company focused on developing life-changing therapies for patients with cancer and diabetes. (PRNewsfoto/Genprex, Inc.)

"Securing this patent strengthens Genprex's intellectual property portfolio, providing crucial protection for the therapeutic combinations currently being evaluated in the Acclaim-3 clinical trial," said Thomas Gallagher, Senior Vice President of Intellectual Property and Licensing at Genprex. "This achievement reinforces our competitive advantage and supports our strategy to bring innovative cancer treatments to patients worldwide."

This patent will expand on the previously granted patents for REQORSA in combination with PD-1 and PD-L1 antibodies, which have been granted in the U.S., Japan, Mexico, Russia, Chile, China, Singapore Europe, Korea, Australia and Israel.

REQORSA is initially being developed in combination with prominent, approved cancer drugs to treat lung cancer. In preclinical studies, REQORSA has been shown to be complementary with targeted drugs and immunotherapies. The Company believes REQORSA's unique attributes position it to provide potential treatments that improve on these current therapies for patients with lung cancer and possibly other cancers.

According to the Canadian Cancer Society, lung and bronchus cancer is the most commonly diagnosed cancer in Canada (excluding non-melanoma skin cancers). It is the leading cause of death from cancer for both men and women in Canada. It is estimated that 32,900 people in Canada will be diagnosed with lung and bronchus cancer in 2026, representing 13% of all new cancer cases. It is also estimated that 19,300 people in Canada will die from lung and bronchus cancer in 2026, representing 22% of all cancer deaths.

About Acclaim-3
Acclaim-3 is a Phase 1/2 clinical trial evaluating the combination of REQORSA and Genentech's Tecentriq® (atezolizumab) as maintenance therapy in patients with extensive stage small cell lung cancer (ES-SCLC) who are candidates for maintenance therapy after receiving Tecentriq and chemotherapy as standard of care initial treatment. In this study, patients will be treated with REQORSA and Tecentriq until disease progression or unacceptable toxicity is experienced.

The Phase 2 expansion study follows the successful completion of the Phase 1 dose escalation portion of the study, which showed REQORSA was generally well tolerated. The Phase 2 expansion portion is expected to enroll approximately 50 patients. The primary endpoint of the Phase 2 portion is to determine the 18-week progression-free survival rate from the time of the start of maintenance therapy with REQORSA and Tecentriq in patients with ES-SCLC. Patients will also be followed for survival. Genprex's team plans to conduct an interim analysis after the 25th patient enrolled and treated reaches 18 weeks of follow up. The Acclaim-3 clinical trial is supported by U.S. Food and Drug Administration (FDA) Fast Track Designation and Orphan Drug Designation.

About Genprex, Inc.
Genprex, Inc. is a clinical-stage gene therapy company focused on developing life-changing therapies for patients with cancer and diabetes. Genprex's technologies are designed to administer disease-fighting genes to provide new therapies for large patient populations with cancer and diabetes who currently have limited treatment options. Genprex works with world-class institutions and collaborators to develop drug candidates to further its pipeline of gene therapies in order to provide novel treatment approaches. Genprex's oncology program utilizes its systemic, non-viral Oncoprex® Delivery System which encapsulates the gene-expressing plasmids using lipid-based nanoparticles in a lipoplex form. The resultant product is administered intravenously, where it is taken up by tumor cells that then express tumor suppressor proteins that were deficient in the tumor. The Company's lead product candidate, Reqorsa® Gene Therapy (quaratusugene ozeplasmid), is being evaluated in two clinical trials as a treatment for NSCLC and SCLC. Each of Genprex's lung cancer clinical programs has received a Fast Track Designation from the FDA for the treatment of that patient population, and Genprex's SCLC program has received an FDA Orphan Drug Designation. Genprex's diabetes gene therapy approach is comprised of a novel infusion process that uses an AAV vector to deliver Pdx1 and MafA genes directly to the pancreas. In models of Type 1 diabetes, GPX-002 transforms alpha cells in the pancreas into functional beta-like cells, which can produce insulin but may be distinct enough from beta cells to evade the body's immune system. In a similar approach for Type 2 diabetes, where autoimmunity is not at play, GPX-002 is believed to rejuvenate and replenish exhausted beta cells.

Interested investors and shareholders are encouraged to sign up for press releases and industry updates by visiting the Company Website, registering for Email Alerts and by following Genprex on Twitter, Facebook and LinkedIn.

Cautionary Language Concerning Forward-Looking Statements
Statements contained in this press release regarding matters that are not historical facts are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements are made on the basis of the current beliefs, expectations and assumptions of management, are not guarantees of performance and are subject to significant risks and uncertainty. These forward-looking statements should, therefore, be considered in light of various important factors, including those set forth in Genprex's reports that it files from time to time with the Securities and Exchange Commission and which you should review, including those statements under "Item 1A – Risk Factors" in Genprex's Annual Report on Form 10-K for the year ended December 31, 2025.

Because forward-looking statements are subject to risks and uncertainties, actual results may differ materially from those expressed or implied by such forward-looking statements. Such statements include, but are not limited to, statements regarding: Genprex's ability to advance the clinical development, manufacturing and commercialization of its product candidates in accordance with projected timelines and specifications; the timing and success of Genprex's clinical trials, its intended regulatory submissions and any resulting regulatory approvals; the effect of Genprex's product candidates, alone and in combination with other therapies, on cancer and diabetes; Genprex's future growth and financial status, including Genprex's ability to regain and maintain compliance with the continued listing requirements of The Nasdaq Capital Market and to continue as a going concern and to obtain capital to meet its long-term liquidity needs on acceptable terms, or at all; Genprex's commercial and strategic partnerships, including those with its third party vendors, suppliers and manufacturers and their ability to successfully perform and scale up the manufacture of its product candidates; Genprex's intellectual property and licenses; and Genprex's current expectations, estimates, forecasts and projections about the industry and markets in which it operates.

These forward-looking statements should not be relied upon as predictions of future events and Genprex cannot assure you that the events or circumstances discussed or reflected in these statements will be achieved or will occur. If such forward-looking statements prove to be inaccurate, the inaccuracy may be material. You should not regard these statements as a representation or warranty by Genprex or any other person that Genprex will achieve its objectives and plans in any specified timeframe, or at all. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this press release. Genprex disclaims any obligation to publicly update or release any revisions to these forward-looking statements, whether as a result of new information, future events or otherwise, after the date of this press release or to reflect the occurrence of unanticipated events, except as required by law.

Genprex, Inc.
(877) 774-GNPX (4679)

GNPX Investor Relations
investors@genprex.com 

GNPX Media Contact
Kalyn Dabbs
media@genprex.com 

Cision View original content to download multimedia:https://www.prnewswire.com/news-releases/genprex-receives-a-notice-of-allowance-from-the-canadian-intellectual-property-office-for-a-patent-claiming-the-combination-of-reqorsa-gene-therapy-with-either-pd-1-or-pd-l1-antibodies-to-treat-cancer-302804049.html

SOURCE Genprex, Inc.

FAQ

What did Genprex (NASDAQ:GNPX) announce on June 22, 2026 about its Canadian REQORSA patent?

Genprex announced a Canadian Notice of Allowance for a patent covering REQORSA gene therapy combined with PD-1 or PD-L1 antibodies to treat NSCLC and SCLC. According to Genprex, this expands protection for its lung cancer combination-therapy platform in Canada.

How is Genprex's Canadian REQORSA patent connected to the Acclaim-3 clinical trial with Tecentriq (GNPX)?

The allowed Canadian patent covers therapeutic combinations currently being evaluated in the Acclaim-3 clinical trial using REQORSA with Genentech’s Tecentriq. According to Genprex, this intellectual property protection supports the clinical program’s strategy for combination treatment in lung cancer.

Which countries hold patents for Genprex's REQORSA with PD-1 or PD-L1 antibodies (GNPX)?

REQORSA combination patents have been granted in the U.S., Japan, Mexico, Russia, Chile, China, Singapore, Europe, Korea, Australia and Israel. According to Genprex, the new Canadian allowance further broadens this international intellectual property portfolio for its gene therapy combinations.

What cancer types are targeted by Genprex's Canadian REQORSA combination patent (GNPX)?

The Canadian patent covers use of REQORSA gene therapy with PD-1 or PD-L1 antibodies to treat non-small cell lung cancer and small cell lung cancer. According to Genprex, REQORSA is initially being developed in combinations to treat lung cancer patients.

Why is the Canadian lung cancer burden significant for Genprex's new REQORSA patent (GNPX)?

Lung and bronchus cancer is the most commonly diagnosed cancer in Canada, excluding non-melanoma skin cancers. According to the Canadian Cancer Society, about 32,900 diagnoses and 19,300 deaths are estimated in 2026, underscoring the potential need for new treatment approaches.